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Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG541284434

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG541284434

Diamond specifications and retailer prices

From £265 GBP
$356 USD
As of November 1, 2026
Save £1,844 GBP (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,109 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG541284434 or 541284434. Listed at 17 retailers as of November 1, 2026, with prices from £265 to £2,109, a £1,844 spread on the same certified stone. Do Amore Diamonds lists it at £2,109. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.65
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541284434
Dimensions8.59 × 5.66 × 3.70 mm
L/W Ratio1.52
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.59 mm5.66 mm1.65 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541284434
Side View
Table 64.5%Crown 36.8°Girdle: MED-STKPavilion 40.7°Culet: LNGDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,109 GBP|Low: £217 GBP|High: £2,109 GBP|Avg: £777 GBP|+22.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 5£265 GBP
Retailer 13£294 GBP
Retailer 15£361 GBP
Retailer 11£361 GBP
Retailer 16£478 GBP
Retailer 2£561 GBP
Retailer 9£585 GBP
Retailer 10£755 GBP
Retailer 12£799 GBP
Retailer 8£1,095 GBP
Retailer 7£1,131 GBP
Retailer 4£1,163 GBP
Retailer 3£1,168 GBP
Retailer 6£1,192 GBP
Retailer 14£1,272 GBP
Do Amore Diamonds£2,109 GBP

42 data points across 16 retailers

17 retailers£265 GBP to £2,109 GBP

A
Cheapest Retailer
-
£265 GBP
$356 USD
Final sale: no returns
Retailer 2
-
£294 GBP
$395 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£361 GBP
$484 USD
View
A
Retailer 4
-
£361 GBP
$485 USD
View
B+
Retailer 5
-
£478 GBP
$642 USD
View
B+
Retailer 6
-
£561 GBP
ZAR 12,153 ZAR
View
B+
Retailer 7
-
£585 GBP
View
Retailer 8
-
£616 GBP
A$1,271 AUD
View
Price last confirmed 36 days ago
B
Retailer 9
-
£755 GBP
A$1,558 AUD
View
Retailer 10
-
£799 GBP
A$1,650 AUD
View
Price last confirmed 7 days ago
B
Retailer 11
-
£1,095 GBP
$1,470 USD
View
B
Retailer 12
-
£1,131 GBP
$1,518 USD
View
B
Retailer 13
-
£1,163 GBP
$1,561 USD
View
B
Retailer 14
-
£1,168 GBP
$1,567 USD
View
B
Retailer 15
-
£1,192 GBP
SGD 2,161 SGD
View
B
Retailer 16
-
£1,272 GBP
View
Most Expensive
B
Do Amore Diamonds
27-BC5EE4963 · Nov 2
£2,109 GBP
$2,830 USD
View
16 more retailers have this diamond
Prices start from £265 GBPSave up to £1,844 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.65ct Cushion
£265 GBP